1121212002011 has 4 divisors (see below), whose sum is σ = 1121219314800. Its totient is φ = 1121204689224.

The previous prime is 1121212001939. The next prime is 1121212002049. The reversal of 1121212002011 is 1102002121211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121212002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121212002611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421376 + ... + 3734733.

It is an arithmetic number, because the mean of its divisors is an integer number (280304828700).

Almost surely, 2^{1121212002011} is an apocalyptic number.

1121212002011 is a deficient number, since it is larger than the sum of its proper divisors (7312789).

1121212002011 is an equidigital number, since it uses as much as digits as its factorization.

1121212002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312788.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121212002011 its reverse (1102002121211), we get a palindrome (2223214123222).

The spelling of 1121212002011 in words is "one trillion, one hundred twenty-one billion, two hundred twelve million, two thousand, eleven".